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Finding the Fourth Proportional to 672,093.32, 927,488.27 and 370,287.32

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Solution

The fourth proportional to 672,093.32, 927,488.27 and 370,287.32 is: 510,996.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,093.32 : 927,488.27 = 370,287.32 : x
  2. Step 2: Convert to fraction form
    672,093.32/927,488.27 = 370,287.32/x
  3. Step 3: Cross multiply
    672,093.32x = 927,488.27 × 370,287.32
  4. Step 4: Simplify right side
    672,093.32x = 343,437,142,118.01
  5. Step 5: Solve for x
    x = 343,437,142,118.01/672,093.32
  6. Step 6: Final answer
    x = 510,996.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.